The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 29, 2015

Filed:

Sep. 10, 2013
Applicants:

Lg Innotek Co., Ltd., Seoul, KR;

Jeonju University Office of Industry-university Cooperation, Jeonju, KR;

Inventors:

Eun Soo Kim, Seoul, KR;

Jun Ho Park, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/24 (2006.01); H01F 27/28 (2006.01); H01F 27/38 (2006.01); H02M 1/42 (2007.01); H02M 3/335 (2006.01); H02M 1/00 (2007.01); H02M 3/158 (2006.01); H01F 3/14 (2006.01); H01F 3/10 (2006.01);
U.S. Cl.
CPC ...
H01F 27/24 (2013.01); H01F 27/38 (2013.01); H01F 3/14 (2013.01); H01F 2003/106 (2013.01); H02M 1/4225 (2013.01); H02M 3/33523 (2013.01); H02M 2001/007 (2013.01); H02M 2003/1586 (2013.01); Y02B 70/126 (2013.01);
Abstract

A power supply apparatus including a first magnetic core, a second magnetic core having a shape symmetrical to a shape of the first magnetic core, a third magnetic core between the first and second magnetic cores, a first coil wound around at least one of the first and third magnetic cores, and a second coil wound around at least one of the second and third magnetic cores, wherein a material for the third magnetic core is different from a material for the first magnetic core or the second magnetic core.


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